This 7800mAh mobile power bank supports fast charging of 2A input, dual USB ports can charge 2 mobile devices at the same time, the color can be customized as Pantone, also the power bank can be tied by keychain, very easy to be taken

The best battery bank 7800mAh includes 3 18650 lithium battery cells, high quality with UV coating and build-in smart IC, completely compatible with all smartphone and other digital electronic products in the market, it has power button, torch light and 4 LED indicators, the shell is designed by ourselves, the patent No. is 201230518671.9